Fertility & birth rates in Azerbaijan and Sao Tome and Principe

Fertility rate in Azerbaijan vs Sao Tome and Principe chart

According to the latest available data on birth rates, the fertility rate in Azerbaijan was 1.55 children per woman in 2023, compared to 3.64 in Sao Tome and Principe in 2023. The replacement level is considered to be 2.1 children per woman.

Check Azerbaijan vs Sao Tome and Principe population clock for a dynamic visualization of the changing population.

The chart below showcases historical changes in the birth rates.

Table

Year	Fertility rate
	Azerbaijan	Sao Tome
1960	5.88	6.24
1961	5.94	6.26
1962	5.96	6.28
1963	5.95	6.31
1964	5.89	6.33
1965	5.79	6.35
1966	5.66	6.37
1967	5.38	6.39
1968	5.22	6.42
1969	5.07	6.44
1970	4.91	6.47
1971	4.77	6.49
1972	4.62	6.51
1973	4.45	6.53
1974	4.33	6.53
1975	4.18	6.53
1976	4.02	6.52
1977	3.87	6.5
1978	3.73	6.47
1979	3.61	6.43
1980	3.5	6.39
1981	3.41	6.33
1982	3.34	6.28
1983	3.29	6.22
1984	3.26	6.16
1985	2.91	6.1
1986	2.9	6.05
1987	2.9	5.99
1988	2.8	5.94
1989	2.8	5.88
1990	2.74	5.83
1991	2.87	5.77
1992	2.74	5.7
1993	2.7	5.64
1994	2.52	5.56
1995	2.29	5.55
1996	2.06	5.47
1997	2.07	5.4
1998	2	5.3
1999	2.07	5.23
2000	2	5.16
2001	1.8	5.1
2002	1.8	5.06
2003	1.9	5.01
2004	2.05	4.96
2005	2	4.94
2006	1.97	4.93
2007	1.97	4.96
2008	1.9	4.91
2009	1.82	4.84
2010	1.92	4.77
2011	1.96	4.72
2012	2	4.66
2013	1.98	4.58
2014	1.97	4.49
2015	1.94	4.35
2016	1.9	4.2
2017	1.75	4.07
2018	1.73	3.98
2019	1.81	3.9
2020	1.7	3.83
2021	1.52	3.76
2022	1.67	3.7
2023	1.55	3.64
2024	1.55	3.6
2025	1.54	3.53
2026	1.54	3.47
2027	1.54	3.42
2028	1.54	3.36
2029	1.54	3.32
2030	1.54	3.26
2031	1.53	3.21
2032	1.53	3.17
2033	1.53	3.13
2034	1.53	3.09
2035	1.53	3.04
2036	1.53	3.01
2037	1.53	2.97
2038	1.53	2.94
2039	1.52	2.9
2040	1.52	2.87
2041	1.52	2.83
2042	1.52	2.8
2043	1.52	2.78
2044	1.52	2.75
2045	1.52	2.73
2046	1.52	2.7
2047	1.52	2.67
2048	1.52	2.64
2049	1.52	2.62
2050	1.52	2.59

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Azerbaijan	Sao Tome
1960	40.4%	32.9%
1961	42%	34.3%
1962	43.3%	36.6%
1963	44.2%	38.5%
1964	44.9%	40.2%
1965	45.3%	41.6%
1966	45.6%	42.9%
1967	45.7%	44%
1968	45.6%	44.9%
1969	45.3%	45.8%
1970	44.9%	46.2%
1971	44.3%	46.1%
1972	43.6%	45.9%
1973	42.7%	45.7%
1974	41.7%	45.6%
1975	40.6%	45.5%
1976	39.4%	45.4%
1977	38.1%	45.3%
1978	36.7%	45.2%
1979	35.6%	45.1%
1980	35%	44.9%
1981	34.4%	44.7%
1982	34%	44.5%
1983	33.8%	44.5%
1984	33.5%	44.4%
1985	33.4%	44.5%
1986	33.2%	44.7%
1987	33.1%	44.9%
1988	33.2%	45%
1989	33.5%	45%
1990	33.8%	45.1%
1991	34%	45.1%
1992	34.1%	45.2%
1993	34%	45.2%
1994	33.9%	45.1%
1995	33.6%	44.9%
1996	33.2%	44.7%
1997	32.8%	44.3%
1998	32.2%	43.9%
1999	31.4%	43.4%
2000	30.3%	42.8%
2001	29.2%	42.5%
2002	28.1%	42.3%
2003	27%	42.2%
2004	26%	42.1%
2005	25.1%	42%
2006	24.4%	42%
2007	23.8%	42%
2008	23.2%	42.1%
2009	22.7%	42.1%
2010	22.3%	42.1%
2011	22.2%	42%
2012	22.3%	42%
2013	22.7%	42%
2014	23.1%	42%
2015	23.5%	41.9%
2016	23.8%	41.7%
2017	23.9%	41.4%
2018	23.8%	40.9%
2019	23.5%	40.5%
2020	23.4%	39.9%
2021	23.1%	39.4%
2022	22.8%	38.8%
2023	22.3%	38.3%
2024	21.8%	37.8%
2025	21.2%	37.5%
2026	20.6%	37.2%
2027	20%	36.8%
2028	19.4%	36.4%
2029	18.9%	36%
2030	18.3%	35.6%
2031	17.9%	35.4%
2032	17.6%	35.2%
2033	17.5%	35%
2034	17.3%	34.8%
2035	17%	34.7%
2036	16.9%	34.5%
2037	16.8%	34.2%
2038	16.8%	34%
2039	16.8%	33.8%
2040	16.8%	33.5%
2041	16.8%	33.2%
2042	16.9%	32.9%
2043	16.9%	32.6%
2044	16.9%	32.3%
2045	16.8%	32%
2046	16.8%	31.6%
2047	16.8%	31.3%
2048	16.7%	31%
2049	16.6%	30.6%
2050	16.5%	30.2%

Children aged 0-14 make up 21.8% of the population in Azerbaijan and 37.8% in Sao Tome and Principe in 2024, compared to 33.8% and 45.1% respectively in 1990.

Demographics of Azerbaijan and Sao Tome and Principe compared.

Natural population change in Azerbaijan vs Sao Tome and Principe by year

For the past 10 years, the annual natural population change (excluding migration) has been +0.79% in Azerbaijan and +2.4% in Sao Tome and Principe. The chart below illustrates the comparison of the absolute yearly changes resulting from births and deaths.

Table

Year	Population change due to births and deaths
	Azerbaijan	Sao Tome
1960	127,982	1,547
1961	133,870	1,657
1962	135,928	1,625
1963	136,762	1,609
1964	134,971	1,600
1965	131,114	1,611
1966	126,678	1,642
1967	118,988	1,693
1968	115,379	1,767
1969	111,387	1,862
1970	108,976	1,980
1971	106,948	2,127
1972	105,009	2,232
1973	103,208	2,329
1974	103,872	2,422
1975	103,472	2,515
1976	103,370	2,608
1977	102,304	2,705
1978	102,831	2,800
1979	104,864	2,893
1980	110,279	2,965
1981	121,400	3,015
1982	117,615	3,047
1983	125,966	3,100
1984	130,043	3,163
1985	132,068	3,242
1986	141,499	3,180
1987	138,195	3,440
1988	136,702	3,544
1989	141,531	3,576
1990	142,069	3,719
1991	147,607	3,801
1992	133,615	3,822
1993	123,664	3,841
1994	107,112	3,860
1995	93,755	3,948
1996	80,735	3,993
1997	84,653	4,041
1998	77,548	4,120
1999	71,047	4,221
2000	70,023	4,334
2001	64,890	4,471
2002	63,741	4,591
2003	64,226	4,702
2004	81,403	4,810
2005	89,793	4,897
2006	96,724	5,057
2007	97,827	5,226
2008	99,903	5,297
2009	99,315	5,349
2010	112,274	5,391
2011	122,002	5,445
2012	119,915	5,501
2013	117,710	5,449
2014	115,374	5,381
2015	110,967	5,269
2016	102,457	5,125
2017	86,715	5,007
2018	81,506	4,957
2019	85,207	4,932
2020	50,466	4,874
2021	35,483	4,954
2022	61,865	5,102
2023	52,800	5,221

Maternal mortality chart: Azerbaijan vs Sao Tome and Principe

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 18 deaths per 100,000 live births in Azerbaijan, compared to 75 deaths in Sao Tome and Principe.

Table

Year	Maternal mortality per 100K births
	Azerbaijan	Sao Tome
1985	45	159
1986	48	175
1987	45	161
1988	45	157
1989	43	167
1990	41	164
1991	43	166
1992	56	164
1993	54	166
1994	58	168
1995	64	172
1996	58	171
1997	59	173
1998	54	175
1999	51	179
2000	46	180
2001	45	178
2002	40	179
2003	41	178
2004	40	177
2005	40	181
2006	33	177
2007	33	174
2008	30	174
2009	29	172
2010	28	170
2011	27	164
2012	28	158
2013	24	150
2014	23	138
2015	21	128
2016	22	119
2017	22	110
2018	21	100
2019	21	95
2020	21	92
2021	55	98
2022	32	82
2023	18	75

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 1.86% in Azerbaijan and 1.39% in Sao Tome and Principe. Below is the historical data on under-five mortality rates.

Table

Year	Mortality rate before reaching 5 years of age, per 1,000 live births
	Azerbaijan	Sao Tome
1965	-	9.56%
1966	-	9.29%
1967	-	9.04%
1968	-	8.85%
1969	-	8.71%
1970	-	8.64%
1971	-	8.63%
1972	-	8.67%
1973	-	8.73%
1974	-	8.79%
1975	-	8.85%
1976	-	8.89%
1977	-	8.93%
1978	-	8.96%
1979	-	9.02%
1980	-	9.1%
1981	-	9.21%
1982	10.9%	9.37%
1983	10.7%	9.56%
1984	10.4%	9.77%
1985	10.2%	9.99%
1986	9.96%	11.4%
1987	9.77%	10.4%
1988	9.62%	10.6%
1989	9.52%	10.7%
1990	9.48%	10.8%
1991	9.5%	10.9%
1992	9.52%	10.9%
1993	9.52%	10.8%
1994	9.47%	10.7%
1995	9.34%	10.4%
1996	9.1%	10.1%
1997	8.78%	9.73%
1998	8.37%	9.26%
1999	7.91%	8.76%
2000	7.4%	8.21%
2001	6.9%	7.66%
2002	6.41%	7.1%
2003	5.96%	6.57%
2004	5.55%	6.05%
2005	5.18%	5.56%
2006	4.85%	5.11%
2007	4.55%	4.68%
2008	4.27%	4.3%
2009	4.01%	3.95%
2010	3.77%	3.63%
2011	3.54%	3.33%
2012	3.32%	3.04%
2013	3.12%	2.77%
2014	2.95%	2.54%
2015	2.78%	2.31%
2016	2.63%	2.11%
2017	2.49%	1.95%
2018	2.36%	1.81%
2019	2.24%	1.7%
2020	2.13%	1.6%
2021	2.04%	1.53%
2022	1.94%	1.46%
2023	1.86%	1.39%